Question
Quantitative Ability and Data Interpretation Question on Average
The mean average of 50 observation is 28 and later it is found that 70 was noted as 7 and 24 as 42 find the correct average.
A
27.1
B
26
C
24.5
D
32.2
Answer
27.1
Explanation
Solution
The correct option is (A) : 27.1.